I just put 200 miles on my new GC and spent most of saturday in service. On my way to the dealership to get the drivers door window control panel and module replaced because it shorted out somehow, the DEF service light came on. I let service know and there was nothing they could do because a certified diesel tech was not working saturday but they ensured me it was something minor with the pump and I can continue to drive it. On my way home a new message appeared stating service DEF car will not restart in 200 miles. Hopefully it will be fixed by end of day monday and ill let you know what the issue was. Other than these issues the jeep is great for the little I have been able to drive!

UPDATE: Woooo after two long weeks I finally have my Jeep back! The reason for delay was the service dept going back and forth with star engineering to diagnose the problem and to source the DEF injector. Upon replacing they discovered the original DEF injector was broken off, service nor I have any idea how that would have happened but they fixed it. I am getting excited about having it again and just in time for the snowstorm we had yesterday, the jeep handled great!
Additionally, the service tech informed me there will be a flash for the computers coming out very soon that might throw an SES light before the upgrade, this might fix some glitches that others were having.

Hi. I'm just wondering why many Jeep diesel owners go with the engine block heater. Are the glow plugs good enough or does the diesel not start well in cold climate w/o the heater? Also, if block heater requires 120V outlet, and coldest conditions are likely when parked outdoors, perhaps perched on a mountain peek in the winter, then block heater isn't going to help without outlet. Thanks.

Hi. I'm just wondering why many Jeep diesel owners go with the engine block heater. Are the glow plugs good enough or does the diesel not start well in cold climate w/o the heater? Also, if block heater requires 120V outlet, and coldest conditions are likely when parked outdoors, perhaps perched on a mountain peek in the winter, then block heater isn't going to help without outlet. Thanks.

It is a good idea to have, just in case. I live in Minnesota, and mine has started down to -25 without plugging in the block heater.

Hi. I'm just wondering why many Jeep diesel owners go with the engine block heater. Are the glow plugs good enough or does the diesel not start well in cold climate w/o the heater? Also, if block heater requires 120V outlet, and coldest conditions are likely when parked outdoors, perhaps perched on a mountain peek in the winter, then block heater isn't going to help without outlet. Thanks.

It was on mine when I bought it and I didn't request it. Don't expect to need it in the south, but never know where you might live in the future.

Im in Chicago and have not needed it in the cold weather we have had but I'm still going to pick it up just in case. I read in one of the threads you can get the cord for $55 somewhere but cant find it.

UPDATE: Woooo after two long weeks I finally have my Jeep back! The reason for delay was the service dept going back and forth with star engineering to diagnose the problem and to source the DEF injector. Upon replacing they discovered the original DEF injector was broken off, service nor I have any idea how that would have happened but they fixed it. I am getting excited about having it again and just in time for the snowstorm we had yesterday, the jeep handled great!
Additionally, the service tech informed me there will be a flash for the computers coming out very soon that might throw an SES light before the upgrade, this might fix some glitches that others were having.

I may be mistaken but I believe you are the second member to report a broken DEF injector. Did your service dept show you where the injector was? I wonder if this component is in a vulnerable location, i.e., no skid plate protection?

I may be mistaken but I believe you are the second member to report a broken DEF injector. Did your service dept show you where the injector was? I wonder if this component is in a vulnerable location, i.e., no skid plate protection?

I seen diagrams of where the injector is, not sure if they are correct but shows it on top of the exhaust just before the cat. They said possibly snow but i don't know if I believe that. I do not have skid plates and they are on my to-do list!

I seen diagrams of where the injector is, not sure if they are correct but shows it on top of the exhaust just before the cat. They said possibly snow but i don't know if I believe that. I do not have skid plates and they are on my to-do list!

Says who? The VM3.0 and most modern diesels are equipped with a diesel oxidation catalyst (a form of CAT), diesel particulate filter (DPF), and selective catalytic reduction (SCR). I'm shocked the exhaust flows as well as it does.

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